package com.util;
//如果JDK版本低于1.8,请使用三方库提供Base64类
//import org.apache.commons.codec.binary.Base64;
import org.apache.commons.codec.binary.Hex;
import org.apache.commons.codec.digest.DigestUtils;
import org.apache.http.HttpHeaders;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.methods.RequestBuilder;
import org.apache.http.client.utils.URLEncodedUtils;
import org.apache.http.conn.ssl.DefaultHostnameVerifier;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.ssl.SSLContextBuilder;
import org.apache.http.util.EntityUtils;

import java.nio.charset.Charset;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Base64;
import java.util.Date;
import java.util.List;
import java.util.UUID;

public class HWSMS {

  //无需修改,用于格式化鉴权头域,给"X-WSSE"参数赋值
  private static final String WSSE_HEADER_FORMAT = "UsernameToken Username=\"%s\",PasswordDigest=\"%s\",Nonce=\"%s\",Created=\"%s\"";
  //无需修改,用于格式化鉴权头域,给"Authorization"参数赋值
  private static final String AUTH_HEADER_VALUE = "WSSE realm=\"SDP\",profile=\"UsernameToken\",type=\"Appkey\"";
  
  /**
   * 发送短信
   * @param phone
   * @param code
   */
  public static void sendSms(String phone,String code)
  {
	  System.out.println("发送短信："+phone+"   code:"+code);
	  //必填,请参考"开发准备"获取如下数据,替换为实际值
      String url = "https://rtcsms.cn-north-1.myhuaweicloud.com:10743/sms/batchSendSms/v1"; //APP接入地址+接口访问URI
      String appKey = "co6bTKPNtP2c4Q41XBbMAHOW623v"; //APP_Key
      String appSecret = "IVjch0x50pcthnXb72C3DC9j27Ia"; //APP_Secret
      String sender = "8820122814401"; //国内短信签名通道号或国际/港澳台短信通道号
      String templateId = "c1799485ec7345daa259c12bbe5aa1d6"; //模板ID

      //条件必填,国内短信关注,当templateId指定的模板类型为通用模板时生效且必填,必须是已审核通过的,与模板类型一致的签名名称
      //国际/港澳台短信不用关注该参数
      String signature = "兰州车宝"; //签名名称

      //必填,全局号码格式(包含国家码),示例:+8615123456789,多个号码之间用英文逗号分隔
      String receiver = "+86"+phone; //短信接收人号码

      //选填,短信状态报告接收地址,推荐使用域名,为空或者不填表示不接收状态报告
      String statusCallBack = "";

      /**
       * 选填,使用无变量模板时请赋空值 String templateParas = "";
       * 单变量模板示例:模板内容为"您的验证码是${1}"时,templateParas可填写为"[\"369751\"]"
       * 双变量模板示例:模板内容为"您有${1}件快递请到${2}领取"时,templateParas可填写为"[\"3\",\"人民公园正门\"]"
       * 模板中的每个变量都必须赋值，且取值不能为空
       * 查看更多模板和变量规范:产品介绍>模板和变量规范
       */
//      code=code.replace("0", "1");//将0替换成1,此处不能替换，防止和前台核对不上得情况
      String templateParas = "[\""+code+"\"]"; //模板变量，此处以单变量验证码短信为例，请客户自行生成6位验证码，并定义为字符串类型，以杜绝首位0丢失的问题（例如：002569变成了2569）。

      //请求Body,不携带签名名称时,signature请填null
      String body = buildRequestBody(sender, receiver, templateId, templateParas, statusCallBack, signature);
      if (null == body || body.isEmpty()) {
          System.out.println("body is null.");
          return;
      }

      //请求Headers中的X-WSSE参数值
      String wsseHeader = buildWsseHeader(appKey, appSecret);
      if (null == wsseHeader || wsseHeader.isEmpty()) {
          System.out.println("wsse header is null.");
          return;
      }

      //如果JDK版本低于1.8,可使用如下代码
      //CloseableHttpClient client = HttpClients.custom()
      //        .setSSLContext(new SSLContextBuilder().loadTrustMaterial(null, new TrustStrategy() {
      //            @Override
      //            public boolean isTrusted(X509Certificate[] x509Certificates, String s) throws CertificateException {
      //                return true;
      //            }
      //        }).build()).setSSLHostnameVerifier(new DefaultHostnameVerifier()).build();

      //如果JDK版本是1.8,可使用如下代码
      CloseableHttpClient client;
	try {
		client = HttpClients.custom()
		              .setSSLContext(new SSLContextBuilder().loadTrustMaterial(null,
		                      (x509CertChain, authType) -> true).build())
		              .setSSLHostnameVerifier(new DefaultHostnameVerifier())
		              .build();

	      HttpResponse response = client.execute(RequestBuilder.create("POST")//请求方法POST
	                  .setUri(url)
	                  .addHeader(HttpHeaders.CONTENT_TYPE, "application/x-www-form-urlencoded")
	                  .addHeader(HttpHeaders.AUTHORIZATION, AUTH_HEADER_VALUE)
	                  .addHeader("X-WSSE", wsseHeader)
	                  .setEntity(new StringEntity(body)).build());
	      System.out.println("发送结果："+response.toString()); //打印响应头域信息
	      System.out.println("发送结果："+EntityUtils.toString(response.getEntity())); //打印响应消息实体
	} catch (Exception e) {
		// TODO Auto-generated catch block
		e.printStackTrace();
	} 

  }

  public static void main(String[] args) throws Exception{

     sendSms("13349307202", "001222");
  }

  /**
   * 构造请求Body体
   * @param sender
   * @param receiver
   * @param templateId
   * @param templateParas
   * @param statusCallbackUrl
   * @param signature | 签名名称,使用国内短信通用模板时填写
   * @return
   */
  static String buildRequestBody(String sender, String receiver, String templateId, String templateParas,
                                 String statusCallbackUrl, String signature) {
      if (null == sender || null == receiver || null == templateId || sender.isEmpty() || receiver.isEmpty()
              || templateId.isEmpty()) {
          System.out.println("buildRequestBody(): sender, receiver or templateId is null.");
          return null;
      }
      List<NameValuePair> keyValues = new ArrayList<NameValuePair>();

      keyValues.add(new BasicNameValuePair("from", sender));
      keyValues.add(new BasicNameValuePair("to", receiver));
      keyValues.add(new BasicNameValuePair("templateId", templateId));
      if (null != templateParas && !templateParas.isEmpty()) {
          keyValues.add(new BasicNameValuePair("templateParas", templateParas));
      }
      if (null != statusCallbackUrl && !statusCallbackUrl.isEmpty()) {
          keyValues.add(new BasicNameValuePair("statusCallback", statusCallbackUrl));
      }
      if (null != signature && !signature.isEmpty()) {
          keyValues.add(new BasicNameValuePair("signature", signature));
      }

      return URLEncodedUtils.format(keyValues, Charset.forName("UTF-8"));
  }

  /**
   * 构造X-WSSE参数值
   * @param appKey
   * @param appSecret
   * @return
   */
  static String buildWsseHeader(String appKey, String appSecret) {
      if (null == appKey || null == appSecret || appKey.isEmpty() || appSecret.isEmpty()) {
          System.out.println("buildWsseHeader(): appKey or appSecret is null.");
          return null;
      }
      SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'Z'");
      String time = sdf.format(new Date()); //Created
      String nonce = UUID.randomUUID().toString().replace("-", ""); //Nonce

      byte[] passwordDigest = DigestUtils.sha256(nonce + time + appSecret);
      String hexDigest = Hex.encodeHexString(passwordDigest);

      //如果JDK版本是1.8,请加载原生Base64类,并使用如下代码
      String passwordDigestBase64Str = Base64.getEncoder().encodeToString(hexDigest.getBytes()); //PasswordDigest
      //如果JDK版本低于1.8,请加载三方库提供Base64类,并使用如下代码
      //String passwordDigestBase64Str = Base64.encodeBase64String(hexDigest.getBytes(Charset.forName("utf-8"))); //PasswordDigest
      //若passwordDigestBase64Str中包含换行符,请执行如下代码进行修正
      //passwordDigestBase64Str = passwordDigestBase64Str.replaceAll("[\\s*\t\n\r]", "");

      return String.format(WSSE_HEADER_FORMAT, appKey, passwordDigestBase64Str, nonce, time);
  }
}
